47655388 has 12 divisors (see below), whose sum is σ = 90978552. Its totient is φ = 21661520.

The previous prime is 47655383. The next prime is 47655397. The reversal of 47655388 is 88355674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47655383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541495 + ... + 541582.

It is an arithmetic number, because the mean of its divisors is an integer number (7581546).

Almost surely, 2^47655388 is an apocalyptic number.

It is an amenable number.

47655388 is a deficient number, since it is larger than the sum of its proper divisors (43323164).

47655388 is a wasteful number, since it uses less digits than its factorization.

47655388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083092 (or 1083090 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 47655388 is about 6903.2882020092. The cubic root of 47655388 is about 362.5523044622.

It can be divided in two parts, 4765 and 5388, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 47655388 in words is "forty-seven million, six hundred fifty-five thousand, three hundred eighty-eight".